Regular expressions are powerful, but with great power comes great responsibility. Because of the way most regex engines work, it is surprisingly easy to construct a regular expression that can take a very long time to run. In my previous post on reg…

原文地址:http://www.tocker.ca/2013/10/24/improving-the-performance-of-large-tables-in-mysql.html Today I wanted to take a look at improving the performance of tables that cause performance problems based largely on their size. Some of this advice also ap…

INSERT is really slow - I can only do few dozen INSERTs per second http://www.sqlite.org/faq.html#q19 Actually, SQLite will easily do 50,000 or more INSERT statements per second on an average desktop computer. But it will only do a few dozen transact…

https://cloudxlab.com/blog/real-time-analytics-dashboard-with-apache-spark-kafka/…

https://msdn.microsoft.com/en-us/library/ff647787.aspx Retired Content This content is outdated and is no longer being maintained. It is provided as a courtesy for individuals who are still using these technologies. This page may contain URLs that we…

A curated list of Artificial Intelligence (AI) courses, books, video lectures and papers. Updated 2018 Copied from: https://medium.com/datadriveninvestor/a-curated-list-of-artificial-intelligence-ai-courses-books-video-lectures-and-papers-d2f584ca14f…

Java Performance Optimization by: Pierre-Hugues Charbonneau reference:http://refcardz.dzone.com/refcardz/java-performance-optimization Java is among the most widely used programming languages in the software development world today. Java applications…

Ensemble Methods for Deep Learning Neural Networks to Reduce Variance and Improve Performance 2018-12-19 13:02:45 This blog is copied from: https://machinelearningmastery.com/ensemble-methods-for-deep-learning-neural-networks/ Deep learning neural ne…

如何提高深度学习性能 20 Tips, Tricks and Techniques That You Can Use ToFight Overfitting and Get Better Generalization How can you get better performance from your deep learning model? It is one of the most common questions I get asked. It might be asked as: H…

[自己的解决方案]数据量大时,可显著提升用户使用体验! 1.Root ListView 参考官方的E1554 点击导航菜单后首先跳出查询条件设置窗体进行设置 可设置查询方案或查询方案的查询条件,排序字段.排序方向,是否只查询前1000条. 2.LookupListView 可设置 TopReturnedObjects = 600 3.Code:http://pan.baidu.com/s/1o8MVKkq  密码:qfmv [官方方案] https://www.devexpress.com/Su…